Copyright citation information for the art that appears in the Glenstone segment:

Michael Heizer
Collapse, 1968/2016
36 x 24 x 16 ft
weathering steel
Glenstone Collection
artwork© Michael Heizer 2017 

Untitled, 1992
plywood, forged iron, plaster, latex paint, lights, enameled cast iron, stainless steel, painted cast bronze, water, metal, lightbulbs, cast plaster with casein and silk-screened ink, photolithography on Mohawk Superfine archival paper, twine, hand-painted forest mural
dimensions variable
© Robert Gober, courtesy Matthew Marks Gallery

The Montafon Letter, 2017
chalk on blackboard
9 panels, each 48 x 96 inches (122 x 244 cm)
144 x 288 inches (366 x 732 cm) overall
© Tacita Dean
Photo: Fredrik Nilsen
Courtesy: the artist, Frith Street Gallery, London and Marian Goodman Gallery, New York / Paris

Sunset, 2015
chalk on blackboard
96 x 192 inches (244 x 488 cm)
© Tacita Dean
Photo: Cathy Carver
Courtesy: the artist, Frith Street Gallery, London and Marian Goodman Gallery, New York / Paris

When first I raised the tempest, 2016
chalk on blackboard
8 panels, each 48 x 96 inches (122 x 244 cm)
96 x 384 inches (244 x 975 cm) overall
© Tacita Dean
Photo: Fredrik Nilsen
Courtesy: the artist, Frith Street Gallery, London and Marian Goodman Gallery, New York / Paris

Horse and rider, 2014
solid stainless steel
109 ½ x 40 x 105 ⅞ inches (278 x 102 x 269 cm)
© Charles Ray, courtesy Matthew Marks Gallery

Smug, 1973/2005
aluminum, painted black
11 x 78 x 64 feet (3 x 24 x 20 m)
© Estate of Tony Smith/ Artists Rights Society (ARS), New York

FOREST (for a thousand years…), 2012
audio installation: 22 loud speakers mounted in a forest setting, amplifiers, playback computer
Duration: 28-minute loop
© Janet Cardiff and George Bures Miller, courtesy of the artists and Luhring Augustine, New York

Split-Rocker, 2000
stainless steel, soil, geotextile fabric, internal irrigation system, and live flowering plants
37 x 39 x 36 feet (1128 x 1189 x 1097 cm)
© Jeff Koons